Home / 103,455.26-142,768.38-58,133.24

Finding the Fourth Proportional to 103,455.26, 142,768.38 and 58,133.24

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Solution

The fourth proportional to 103,455.26, 142,768.38 and 58,133.24 is: 80,223.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,455.26 : 142,768.38 = 58,133.24 : x
  2. Step 2: Convert to fraction form
    103,455.26/142,768.38 = 58,133.24/x
  3. Step 3: Cross multiply
    103,455.26x = 142,768.38 × 58,133.24
  4. Step 4: Simplify right side
    103,455.26x = 8,299,588,498.95
  5. Step 5: Solve for x
    x = 8,299,588,498.95/103,455.26
  6. Step 6: Final answer
    x = 80,223.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.